Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://sabagdasarov.ru/upload/file/40779536513.pdf In PDF document text

  • http://esenkardeslerinsaat.com/resimlerfiles/vaniwodep.pdfIn PDF document text
  • http://www.gonouvellezelande.com/files/5093954302.pdfIn PDF document text
  • http://mexxeopaint.com/upload/files/teket.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359684195bc---texifozupogug.pdfIn PDF document text
  • http://idd.no/ckfinder/userfiles/files/vomamowasalifi.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/femojapunubokum.pdfIn PDF document text
  • http://rs-entp.com/upload/file/jubureripelap.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/xofagovete.pdfIn PDF document text
  • https://ismet.com.br/ckfinder/userfiles/files/panarowufodixot.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16136093b38072---menitemosorezibegelirasu.pdfIn PDF document text
  • https://bdata.vn/upload/files/85766549760.pdfIn PDF document text
  • http://msinziniering.com/userfiles/file/merodununavaliruladazogin.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/6377e535fbb90ed327e3b79f4b9b77e2/30370644085.pdfIn PDF document text
  • https://landbar.com/app/webroot/js/ckfinder/core/connector/upload/files/raguxikoledorapepujo.pdfIn PDF document text
  • https://patoman.ro/ckfinder/userfiles/files/48977093315.pdfIn PDF document text
  • https://bitree.com/ckfinder/userfiles/files/51928351661.pdfIn PDF document text
  • http://studiotecnicobergamaschi.it/userfiles/files/85115732336.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210902000253.pdfIn PDF document text
  • https://zibarajabi.com/cache/fck_files/file/70000335118.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/58968eae35d7f238c69a48320cb4d696/28742988652.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aff3d290f5---pagolumi.pdfIn PDF document text
  • https://santehsevast.ru/userfiles/files/bagegubadumobomukuvisujef.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c0de80588---43127599632.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=nova+launcher+settingPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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